Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison
Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
cve-program · CVE-2026-90977
PublishedThe Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-90977
PublishedClean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison
The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.
- Source published
- 18 Sep 2026 06:11:40 UTC
- Source modified
- 18 Sep 2026 10:59:55 UTC
- Saved here
- 23 Oct 2026 15:48:27 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 3.1 · 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N